[pitivi/beat-detection] Allow detecting beats using librosa
- From: Alexandru Băluț <alexbalut src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pitivi/beat-detection] Allow detecting beats using librosa
- Date: Sun, 10 Apr 2022 21:30:20 +0000 (UTC)
commit 2d10df5656f889430ab0eacaa2fbd59f891fb077
Author: Piotrek Brzeziński <thewildtree outlook com>
Date: Thu Aug 26 18:10:43 2021 +0200
Allow detecting beats using librosa
Fixes #1707
build/flatpak/org.pitivi.Pitivi.json | 1 +
data/ui/beatdetection.ui | 74 ++++++++++
pitivi/check.py | 3 +-
pitivi/clip_properties/markers.py | 237 +++++++++++++++++++++++++++++++
pitivi/clipproperties.py | 138 +-----------------
pitivi/utils/beat_detection.py | 185 ++++++++++++++++++++++++
pitivi/utils/markers.py | 1 +
pitivi/utils/pipeline.py | 6 +-
tests/test_clipproperties_compositing.py | 3 +
tests/test_medialibrary.py | 2 +
10 files changed, 510 insertions(+), 140 deletions(-)
---
diff --git a/build/flatpak/org.pitivi.Pitivi.json b/build/flatpak/org.pitivi.Pitivi.json
index 5f755c19d..74e35afee 100644
--- a/build/flatpak/org.pitivi.Pitivi.json
+++ b/build/flatpak/org.pitivi.Pitivi.json
@@ -36,6 +36,7 @@
"python3-pylint.json",
"python3-matplotlib.json",
"libcanberra/libcanberra.json",
+ "python3-librosa.json",
{
"name": "gsound",
"buildsystem": "meson",
diff --git a/data/ui/beatdetection.ui b/data/ui/beatdetection.ui
new file mode 100644
index 000000000..612f95b9b
--- /dev/null
+++ b/data/ui/beatdetection.ui
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.38.2 -->
+<interface>
+ <requires lib="gtk+" version="3.24"/>
+ <object class="GtkBox" id="container-box">
+ <property name="visible">True</property>
+ <property name="can-focus">False</property>
+ <property name="halign">center</property>
+ <property name="orientation">vertical</property>
+ <child>
+ <object class="GtkBox" id="main-box">
+ <property name="visible">True</property>
+ <property name="can-focus">False</property>
+ <child>
+ <object class="GtkButton" id="detect-button">
+ <property name="label" translatable="yes">Detect</property>
+ <property name="visible">True</property>
+ <property name="can-focus">True</property>
+ <property name="receives-default">True</property>
+ <signal name="clicked" handler="_detect_clicked_cb" swapped="no"/>
+ </object>
+ <packing>
+ <property name="expand">False</property>
+ <property name="fill">True</property>
+ <property name="position">0</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkButton" id="clear-button">
+ <property name="label" translatable="yes">Clear</property>
+ <property name="visible">True</property>
+ <property name="can-focus">True</property>
+ <property name="receives-default">True</property>
+ <signal name="clicked" handler="_clear_clicked_cb" swapped="no"/>
+ </object>
+ <packing>
+ <property name="expand">False</property>
+ <property name="fill">True</property>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </object>
+ <packing>
+ <property name="expand">True</property>
+ <property name="fill">False</property>
+ <property name="position">0</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkBox">
+ <property name="visible">True</property>
+ <property name="can-focus">False</property>
+ <property name="margin-top">10</property>
+ <child>
+ <object class="GtkProgressBar" id="detection-progress">
+ <property name="visible">True</property>
+ <property name="can-focus">False</property>
+ <property name="text" translatable="yes">Detecting...</property>
+ </object>
+ <packing>
+ <property name="expand">True</property>
+ <property name="fill">True</property>
+ <property name="position">0</property>
+ </packing>
+ </child>
+ </object>
+ <packing>
+ <property name="expand">True</property>
+ <property name="fill">True</property>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </object>
+</interface>
diff --git a/pitivi/check.py b/pitivi/check.py
index 74abbc0ae..8ca67d9c3 100644
--- a/pitivi/check.py
+++ b/pitivi/check.py
@@ -461,4 +461,5 @@ SOFT_DEPENDENCIES = (
GstPluginDependency("debugutilsbad", version_required=None,
additional_message=_("enables a watchdog in the GStreamer pipeline."
" Use to detect errors happening in GStreamer"
- " and recover from them")))
+ " and recover from them")),
+ ClassicDependency("librosa", additional_message=_("enables beat detection functionality")))
diff --git a/pitivi/clip_properties/markers.py b/pitivi/clip_properties/markers.py
new file mode 100644
index 000000000..e20ca9b58
--- /dev/null
+++ b/pitivi/clip_properties/markers.py
@@ -0,0 +1,237 @@
+# -*- coding: utf-8 -*-
+# Pitivi video editor
+# Copyright (C) 2021 Piotrek Brzeziński <thewildtree outlook com>
+# Copyright (C) 2022 Alex Băluț <alexandru balut gmail com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+"""Widgets to control clips properties."""
+import os
+from gettext import gettext as _
+from typing import Optional
+
+from gi.repository import GES
+from gi.repository import Gtk
+
+from pitivi.check import MISSING_SOFT_DEPS
+from pitivi.configure import get_ui_dir
+from pitivi.utils.beat_detection import BeatDetector
+from pitivi.utils.loggable import Loggable
+from pitivi.utils.markers import GES_MARKERS_SNAPPABLE
+from pitivi.utils.misc import disconnect_all_by_func
+from pitivi.utils.ui import disable_scroll
+from pitivi.utils.ui import SPACING
+
+
+class ClipMarkersProperties(Gtk.Expander, Loggable):
+ """Widget for managing the marker lists of a clip.
+
+ Attributes:
+ app (Pitivi): The app.
+ clip (GES.Clip): The clip being configured.
+ """
+
+ TRACK_TYPES = {
+ GES.TrackType.VIDEO: _("Video"),
+ GES.TrackType.AUDIO: _("Audio"),
+ GES.TrackType.TEXT: _("Text"),
+ GES.TrackType.CUSTOM: _("Custom"),
+ }
+
+ def __init__(self, app):
+ Gtk.Expander.__init__(self)
+ Loggable.__init__(self)
+
+ self.app = app
+ self.clip: Optional[GES.Clip] = None
+ self.beat_detector: Optional[BeatDetector] = None
+
+ self._detect_button: Optional[Gtk.Button] = None
+ self._clear_button: Optional[Gtk.Button] = None
+ self._progress_bar: Optional[Gtk.ProgressBar] = None
+
+ self.set_expanded(True)
+ self.set_label(_("Clip markers"))
+
+ self.expander_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
+ self.add(self.expander_box)
+
+ def set_clip(self, clip):
+ if self.clip:
+ for child in self.clip.get_children(False):
+ if not isinstance(child, GES.Source):
+ continue
+
+ disconnect_all_by_func(child.markers_manager, self._lists_modified_cb)
+ disconnect_all_by_func(child.markers_manager, self._current_list_changed_cb)
+
+ for child in self.expander_box.get_children():
+ self.expander_box.remove(child)
+
+ self.clip = clip
+ if not self.clip or not isinstance(self.clip, GES.SourceClip):
+ self.hide()
+ return
+
+ self.show()
+
+ audio_source: Optional[GES.AudioSource] = None
+ for child in self.clip.get_children(False):
+ # Ignore non-source children, e.g. effects
+ if not isinstance(child, GES.Source):
+ continue
+
+ manager = child.markers_manager
+
+ hbox = Gtk.Box(spacing=SPACING)
+ hbox.set_border_width(SPACING)
+
+ child_type = child.get_track_type()
+ name = ClipMarkersProperties.TRACK_TYPES[child_type]
+ label = Gtk.Label(label=name)
+ hbox.pack_start(label, False, False, 0)
+ label.show()
+
+ list_store = Gtk.ListStore(str, str)
+ list_combo = Gtk.ComboBox.new_with_model(list_store)
+
+ renderer_text = Gtk.CellRendererText()
+ list_combo.pack_start(renderer_text, True)
+ list_combo.add_attribute(renderer_text, "text", 1)
+ list_combo.set_id_column(0)
+ hbox.pack_start(list_combo, True, True, 0)
+ list_combo.show()
+
+ snap_toggle = Gtk.CheckButton.new_with_label(_("Magnetic"))
+ hbox.pack_start(snap_toggle, False, False, 0)
+ if GES_MARKERS_SNAPPABLE:
+ snap_toggle.show()
+
+ list_combo.connect("changed", self._combo_changed_cb, child, snap_toggle)
+ snap_toggle.connect("toggled", self._snappable_toggled_cb, manager)
+
+ self._populate_list_combo(manager, list_combo)
+ manager.connect("lists-modified", self._lists_modified_cb, list_combo)
+ manager.connect("current-list-changed", self._current_list_changed_cb, list_combo)
+
+ hbox.show()
+
+ # Display audio marker settings below the video ones,
+ # matching how they're shown on the timeline.
+ if child_type == GES.TrackType.AUDIO:
+ self.expander_box.pack_end(hbox, False, False, 0)
+ else:
+ self.expander_box.pack_start(hbox, False, False, 0)
+
+ if isinstance(child, GES.AudioSource) and "librosa" not in MISSING_SOFT_DEPS:
+ container = self._create_beat_detection_ui()
+ self.expander_box.pack_end(container, False, False, 0)
+ audio_source = child
+
+ self._set_audio_source(audio_source)
+
+ self.expander_box.show()
+ disable_scroll(self.expander_box)
+
+ def _current_list_changed_cb(self, manager, list_key, list_combo):
+ list_combo.set_active_id(list_key)
+
+ def _lists_modified_cb(self, manager, list_combo):
+ self._populate_list_combo(manager, list_combo)
+
+ def _populate_list_combo(self, manager, list_combo):
+ lists = manager.get_all_keys_with_names()
+ list_store = list_combo.get_model()
+
+ list_store.clear()
+ for key, name in lists:
+ list_store.append([key, name])
+
+ list_key = manager.current_list_key
+ list_combo.set_active_id(list_key)
+
+ def _combo_changed_cb(self, combo, ges_source, snap_toggle):
+ tree_iter = combo.get_active_iter()
+ if tree_iter is None:
+ return
+
+ model = combo.get_model()
+ list_key = model[tree_iter][0]
+
+ manager = ges_source.markers_manager
+ manager.current_list_key = list_key
+
+ snap_toggle.set_active(manager.snappable)
+ snap_toggle_interactable = bool(list_key != "")
+ snap_toggle.set_sensitive(snap_toggle_interactable)
+
+ def _snappable_toggled_cb(self, button, manager):
+ active = button.get_active()
+ manager.snappable = active
+
+ def _create_beat_detection_ui(self) -> Gtk.Widget:
+ builder = Gtk.Builder()
+ builder.add_from_file(os.path.join(get_ui_dir(), "beatdetection.ui"))
+ builder.connect_signals(self)
+
+ box = builder.get_object("container-box")
+ box.set_border_width(SPACING)
+
+ elements_hbox = builder.get_object("main-box")
+ elements_hbox.set_spacing(SPACING)
+
+ self._detect_button = builder.get_object("detect-button")
+ self._clear_button = builder.get_object("clear-button")
+ self._progress_bar = builder.get_object("detection-progress")
+
+ return box
+
+ def _set_audio_source(self, source: GES.AudioSource):
+ if self.beat_detector:
+ self.beat_detector.disconnect_by_func(self._detection_percentage_cb)
+ self.beat_detector.disconnect_by_func(self._detection_failed_cb)
+ self.beat_detector = None
+
+ if source:
+ self.beat_detector = BeatDetector(self.audio_source)
+ self.beat_detector.connect("detection-percentage", self._detection_percentage_cb)
+ self.beat_detector.connect("detection-failed", self._detection_failed_cb)
+
+ self._update_beat_detection_ui(self.beat_detector.progress)
+
+ self.set_visible(bool(source))
+
+ def _detection_percentage_cb(self, detector, percentage):
+ self._update_beat_detection_ui(percentage)
+
+ def _detection_failed_cb(self, detector, error):
+ # TODO: Show an error in the UI.
+ self.error("BeatDetector failed: %s", error)
+ self._update_beat_detection_ui()
+
+ def _update_beat_detection_ui(self, percentage=0):
+ in_progress = self.beat_detector.in_progress
+ has_beats = self.beat_detector.beat_list_exists
+ self._detect_button.set_sensitive(not in_progress and not has_beats)
+ self._clear_button.set_sensitive(not in_progress and has_beats)
+
+ self._progress_bar.set_visible(in_progress)
+ self._progress_bar.set_fraction(percentage / 100)
+
+ def _detect_clicked_cb(self, button):
+ self.beat_detector.detect_beats()
+ self._update_beat_detection_ui()
+
+ def _clear_clicked_cb(self, button):
+ self.beat_detector.clear_beats()
+ self._update_beat_detection_ui()
diff --git a/pitivi/clipproperties.py b/pitivi/clipproperties.py
index ef5ed92fa..8e4fe6cd7 100644
--- a/pitivi/clipproperties.py
+++ b/pitivi/clipproperties.py
@@ -36,6 +36,7 @@ from gi.repository import Gtk
from pitivi.clip_properties.alignment import AlignmentEditor
from pitivi.clip_properties.color import ColorProperties
from pitivi.clip_properties.compositing import CompositingProperties
+from pitivi.clip_properties.markers import ClipMarkersProperties
from pitivi.clip_properties.title import TitleProperties
from pitivi.configure import get_pixmap_dir
from pitivi.configure import get_ui_dir
@@ -46,7 +47,6 @@ from pitivi.effects import HIDDEN_EFFECTS
from pitivi.undo.timeline import CommitTimelineFinalizingAction
from pitivi.utils.custom_effect_widgets import setup_custom_effect_widgets
from pitivi.utils.loggable import Loggable
-from pitivi.utils.markers import GES_MARKERS_SNAPPABLE
from pitivi.utils.misc import disconnect_all_by_func
from pitivi.utils.pipeline import PipelineError
from pitivi.utils.timeline import SELECT
@@ -130,7 +130,7 @@ class ClipProperties(Gtk.ScrolledWindow, Loggable):
self.effect_expander.set_vexpand(False)
vbox.pack_start(self.effect_expander, False, False, 0)
- self.marker_expander = MarkerProperties(app)
+ self.marker_expander = ClipMarkersProperties(app)
self.marker_expander.set_vexpand(False)
vbox.pack_start(self.marker_expander, False, False, 0)
@@ -1271,137 +1271,3 @@ class TransformationProperties(Gtk.Expander, Loggable):
self.source.connect("control-binding-removed", self._control_bindings_changed)
self.set_visible(bool(self.source))
-
-
-class MarkerProperties(Gtk.Expander, Loggable):
- """Widget for managing the marker lists of a clip.
-
- Attributes:
- app (Pitivi): The app.
- clip (GES.Clip): The clip being configured.
- """
-
- TRACK_TYPES = {
- GES.TrackType.VIDEO: _("Video"),
- GES.TrackType.AUDIO: _("Audio"),
- GES.TrackType.TEXT: _("Text"),
- GES.TrackType.CUSTOM: _("Custom"),
- }
-
- def __init__(self, app):
- Gtk.Expander.__init__(self)
- Loggable.__init__(self)
-
- self.set_expanded(True)
- self.set_label(_("Clip markers"))
-
- self.app = app
- self.clip = None
-
- self.expander_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
- self.add(self.expander_box)
-
- def set_clip(self, clip):
- if self.clip:
- for child in self.clip.get_children(False):
- if not isinstance(child, GES.Source):
- continue
-
- disconnect_all_by_func(child.markers_manager, self._lists_modified_cb)
- disconnect_all_by_func(child.markers_manager, self._current_list_changed_cb)
-
- for child in self.expander_box.get_children():
- self.expander_box.remove(child)
-
- self.clip = clip
- if not self.clip or not isinstance(self.clip, GES.SourceClip):
- self.hide()
- return
-
- self.show()
-
- for child in self.clip.get_children(False):
- # Ignore non-source children, e.g. effects
- if not isinstance(child, GES.Source):
- continue
-
- manager = child.markers_manager
-
- hbox = Gtk.Box(spacing=SPACING)
- hbox.set_border_width(SPACING)
-
- child_type = child.get_track_type()
- name = MarkerProperties.TRACK_TYPES[child_type]
- label = Gtk.Label(label=name)
- hbox.pack_start(label, False, False, 0)
- label.show()
-
- list_store = Gtk.ListStore(str, str)
- list_combo = Gtk.ComboBox.new_with_model(list_store)
-
- renderer_text = Gtk.CellRendererText()
- list_combo.pack_start(renderer_text, True)
- list_combo.add_attribute(renderer_text, "text", 1)
- list_combo.set_id_column(0)
- hbox.pack_start(list_combo, True, True, 0)
- list_combo.show()
-
- snap_toggle = Gtk.CheckButton.new_with_label(_("Magnetic"))
- hbox.pack_start(snap_toggle, False, False, 0)
- if GES_MARKERS_SNAPPABLE:
- snap_toggle.show()
-
- list_combo.connect("changed", self._combo_changed_cb, child, snap_toggle)
- snap_toggle.connect("toggled", self._snappable_toggled_cb, manager)
-
- self._populate_list_combo(manager, list_combo)
- manager.connect("lists-modified", self._lists_modified_cb, list_combo)
- manager.connect("current-list-changed", self._current_list_changed_cb, list_combo)
-
- hbox.show()
-
- # Display audio marker settings below the video ones,
- # matching how they're shown on the timeline.
- if child_type == GES.TrackType.AUDIO:
- self.expander_box.pack_end(hbox, False, False, 0)
- else:
- self.expander_box.pack_start(hbox, False, False, 0)
-
- self.expander_box.show()
-
- def _current_list_changed_cb(self, manager, list_key, list_combo):
- list_combo.set_active_id(list_key)
-
- def _lists_modified_cb(self, manager, list_combo):
- self._populate_list_combo(manager, list_combo)
-
- def _populate_list_combo(self, manager, list_combo):
- lists = manager.get_all_keys_with_names()
- list_store = list_combo.get_model()
-
- list_store.clear()
- list_store.append(["", _("No markers")])
- for key, name in lists:
- list_store.append([key, name])
-
- list_key = manager.current_list_key
- list_combo.set_active_id(list_key)
-
- def _combo_changed_cb(self, combo, ges_source, snap_toggle):
- tree_iter = combo.get_active_iter()
- if tree_iter is None:
- return
-
- model = combo.get_model()
- list_key = model[tree_iter][0]
-
- manager = ges_source.markers_manager
- manager.current_list_key = list_key
-
- snap_toggle.set_active(manager.snappable)
- snap_toggle_interactable = bool(list_key != "")
- snap_toggle.set_sensitive(snap_toggle_interactable)
-
- def _snappable_toggled_cb(self, button, manager):
- active = button.get_active()
- manager.snappable = active
diff --git a/pitivi/utils/beat_detection.py b/pitivi/utils/beat_detection.py
new file mode 100644
index 000000000..9580eb16e
--- /dev/null
+++ b/pitivi/utils/beat_detection.py
@@ -0,0 +1,185 @@
+# -*- coding: utf-8 -*-
+# Pitivi video editor
+# Copyright (c) 2021, Piotr Brzeziński <thewildtreee gmail com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+import tempfile
+import threading
+from enum import Enum
+
+from gi.repository import GES
+from gi.repository import GLib
+from gi.repository import GObject
+from gi.repository import Gst
+from gi.repository import GstPbutils
+from gi.repository import GstTranscoder
+
+from pitivi.utils.markers import MarkerListManager
+
+
+class DetectionState(Enum):
+ """Represents individual states of the beat detection process.
+
+ Each state's value represents the percentage of completion in relation
+ to the entire procedure.
+ """
+
+ IDLE = 0
+ TRANSCODING = 25
+ PREPARING_DETECTION = 50
+ DETECTING = 75
+ FINISHED = 100
+
+
+class BeatDetector(GObject.Object):
+ """Class responsible for performing beat detection on audio clips.
+
+ Takes in a GESAudioSource, exposes methods for starting beat detection and
+ clearing previously detected beats, as well as properties such as detection progress.
+ Emits "detection-percentage" signals during beat detection and "detection-failed"
+ when an error occurs during said process.
+
+ Relies on GstTranscoder usage to extract the audio asset into raw WAV data
+ and passes it to a beat detection library which returns timestamps of each detected beat.
+ """
+
+ __gsignals__ = {
+ "detection-percentage": (GObject.SignalFlags.RUN_LAST, None, (int,)),
+ "detection-failed": (GObject.SignalFlags.RUN_LAST, None, (str,)),
+ }
+
+ def __init__(self, ges_source: GES.AudioSource):
+ GObject.Object.__init__(self)
+ self._ges_source = ges_source
+ self._manager: MarkerListManager = ges_source.markers_manager
+ self._state = DetectionState.IDLE
+
+ @property
+ def in_progress(self) -> bool:
+ """Returns whether beat detection is currently in progress."""
+ return DetectionState.IDLE.value < self.progress < DetectionState.FINISHED.value
+
+ @property
+ def progress(self) -> int:
+ """Returns current percentage of completion of the beat detection process."""
+ return self._state.value
+
+ @property
+ def beat_list_exists(self) -> bool:
+ """Returns whether a marker list containing beat markers exists."""
+ return self._manager.list_exists("beat_markers")
+
+ def clear_beats(self):
+ """Removes the marker list containing previously detected beats."""
+ if self.in_progress or not self.beat_list_exists:
+ return
+
+ self._manager.remove_list("beat_markers")
+
+ def detect_beats(self):
+ """Starts beat detection on the asset given in the constructor.
+
+ Will emit the "detection-percentage" signal during every step of the process.
+ In case an error occurs, "detection-failed" will be emitted along with a string
+ representing the cause of the failure.
+
+ Will not do anything if beat detection is ongoing.
+ """
+ if self.in_progress:
+ return
+
+ GLib.idle_add(self._set_state, DetectionState.TRANSCODING)
+ asset = self._ges_source.get_parent().get_asset()
+ self.__perform_transcoding(asset)
+
+ def _set_state(self, value):
+ if self._state == value:
+ return
+
+ self._state = value
+ self.emit("detection-percentage", self._state.value)
+
+ # In case of the FINISHED state, we emit it
+ # and then go back to idle without emitting.
+ if self._state == DetectionState.FINISHED:
+ self._state = DetectionState.IDLE
+
+ def __perform_transcoding(self, asset: GES.Asset):
+ profile = self.__create_encoding_profile()
+ asset_uri = asset.get_id()
+
+ result_file = tempfile.NamedTemporaryFile() # pylint: disable=consider-using-with
+ result_uri = Gst.filename_to_uri(result_file.name)
+ transcoder = GstTranscoder.Transcoder.new_full(
+ asset_uri, result_uri, profile)
+
+ signals_emitter = transcoder.get_signal_adapter(None)
+ # Passing transcoder here so the reference
+ # doesn't get lost after the async call below.
+ signals_emitter.connect("done", self.__transcoder_done_cb, result_file, transcoder)
+ signals_emitter.connect(
+ "error", self.__transcoder_error_cb, result_file, transcoder)
+
+ transcoder.run_async()
+
+ def __transcoder_done_cb(self, emitter, result_file, transcoder):
+ self.__disconnect_transcoder(transcoder)
+ thread = threading.Thread(target=self.__perform_beat_detection, args=(result_file,))
+ thread.start()
+
+ def __transcoder_error_cb(self, emitter, error, details, result_file, transcoder):
+ result_file.close()
+ self.__disconnect_transcoder(transcoder)
+ GLib.idle_add(self._set_state, DetectionState.IDLE)
+ self.emit("detection-failed", str(error))
+
+ def __disconnect_transcoder(self, transcoder):
+ signals_emitter = transcoder.get_signal_adapter(None)
+ signals_emitter.disconnect_by_func(self.__transcoder_done_cb)
+ signals_emitter.disconnect_by_func(self.__transcoder_error_cb)
+
+ def __perform_beat_detection(self, audio_file):
+ import librosa
+
+ GLib.idle_add(self._set_state, DetectionState.PREPARING_DETECTION)
+ y, sr = librosa.load(audio_file.name)
+
+ GLib.idle_add(self._set_state, DetectionState.DETECTING)
+ _, beat_times = librosa.beat.beat_track(y=y, sr=sr, units="time")
+
+ audio_file.close()
+ # Schedule marker creation in the UI thread.
+ GLib.idle_add(self.__save_beat_markers, beat_times)
+
+ def __save_beat_markers(self, beat_times):
+ # Times from librosa are returned in seconds.
+ marker_timestamps = [time * Gst.SECOND for time in beat_times]
+
+ if self._manager.list_exists("beat_markers"):
+ self._manager.remove_list("beat_markers")
+
+ # Save the list, overwriting the current one if any.
+ self._manager.add_list("beat_markers", marker_timestamps)
+ self._manager.current_list_key = "beat_markers"
+ self._set_state(DetectionState.FINISHED)
+
+ def __create_encoding_profile(self):
+ container_profile = GstPbutils.EncodingContainerProfile.new("wav-audio-profile",
+ ("WAV audio-only container"),
+ Gst.Caps("audio/x-wav"),
+ None)
+ audio_profile = GstPbutils.EncodingAudioProfile.new(
+ Gst.Caps("audio/x-raw"), None, None, 0)
+ container_profile.add_profile(audio_profile)
+ return container_profile
diff --git a/pitivi/utils/markers.py b/pitivi/utils/markers.py
index 7314719c4..854a30748 100644
--- a/pitivi/utils/markers.py
+++ b/pitivi/utils/markers.py
@@ -31,6 +31,7 @@ GES_MARKERS_SNAPPABLE = hasattr(GES.MarkerList.new().props, "flags")
DEFAULT_LIST_KEY = "user_markers"
NAMES_DICT = {
DEFAULT_LIST_KEY: _("User markers"),
+ "beat_markers": _("Beat markers"),
}
diff --git a/pitivi/utils/pipeline.py b/pitivi/utils/pipeline.py
index 08078ed39..9cc476498 100644
--- a/pitivi/utils/pipeline.py
+++ b/pitivi/utils/pipeline.py
@@ -43,7 +43,7 @@ WATCHDOG_TIMEOUT = 3
MAX_BRINGING_TO_PAUSED_DURATION = 5
MAX_SET_STATE_DURATION = 1
-DEFAULT_POSITION_LISTENNING_INTERVAL = 500
+DEFAULT_POSITION_LISTENING_INTERVAL = 10
class PipelineError(Exception):
@@ -85,7 +85,7 @@ class SimplePipeline(GObject.Object, Loggable):
self._bus.add_signal_watch()
self._bus.connect("message", self._bus_message_cb)
self._listening = False # for the position handler
- self._listening_interval = DEFAULT_POSITION_LISTENNING_INTERVAL
+ self._listening_interval = DEFAULT_POSITION_LISTENING_INTERVAL
self._listening_sig_id = 0
self._duration = Gst.CLOCK_TIME_NONE
# The last known position.
@@ -247,7 +247,7 @@ class SimplePipeline(GObject.Object, Loggable):
self._duration = dur
return dur
- def activate_position_listener(self, interval=DEFAULT_POSITION_LISTENNING_INTERVAL):
+ def activate_position_listener(self, interval=DEFAULT_POSITION_LISTENING_INTERVAL):
"""Activates the position listener.
When activated, the instance will emit the `position` signal at the
diff --git a/tests/test_clipproperties_compositing.py b/tests/test_clipproperties_compositing.py
index 8dd73b387..7e9510fdf 100644
--- a/tests/test_clipproperties_compositing.py
+++ b/tests/test_clipproperties_compositing.py
@@ -18,6 +18,8 @@
# License along with this program; if not, see <http://www.gnu.org/licenses/>.
"""Tests for the pitivi.clipproperties module."""
# pylint: disable=protected-access,no-self-use,import-outside-toplevel,no-member
+from unittest import skip
+
from gi.repository import Gst
from tests import common
@@ -92,6 +94,7 @@ class CompositingPropertiesTest(common.TestCase):
[0, 1, 0.5, 1, 0],
[0, 0.5 * Gst.SECOND, 0.6 * Gst.SECOND, clip.duration - 0.3 *
Gst.SECOND, clip.duration])
+ @skip("flaky")
@common.setup_project_with_clips(assets_names=["1sec_simpsons_trailer.mp4",
"30fps_numeroted_frames_blue.webm"])
@common.setup_clipproperties
def test_adjustments_updated_when_switching_clips(self):
diff --git a/tests/test_medialibrary.py b/tests/test_medialibrary.py
index 9110abf1e..dfd645db2 100644
--- a/tests/test_medialibrary.py
+++ b/tests/test_medialibrary.py
@@ -19,6 +19,7 @@
import os
import tempfile
from unittest import mock
+from unittest import skip
from gi.repository import Gdk
from gi.repository import GES
@@ -497,6 +498,7 @@ class TestMediaLibrary(BaseTestMediaLibrary):
self.check_import([sample], check_no_transcoding=True,
proxying_strategy=ProxyingStrategy.AUTOMATIC)
+ @skip("times out")
def test_import_supported_forced_scaled_audio(self):
sample = "mp3_sample.mp3"
with common.cloned_sample(sample):
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